8220981 is an odd 7-digits composite number following 8220980
and preceding 8220982 . In scientific notation, it is written as 8.220981 × 10^6.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 5473440 positive integers (up to 8220981) that are relatively prime to 8220981.
8220981 has 8 divisors, whose sum is 10975744
The reverse of 8220981 is 1890228
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
eight million two hundred twenty thousand nine hundred eighty-one
Scientific notation
8.220981 × 10^6
Engineering notation
8.220981 × 10^6
Prime Factorization
3 × 1087 × 2521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
8220981
Product of the distinct prime numbers
The prime factorization of 8220981 is 3 × 1087 × 2521.
Since it has a total of 3 prime factors.
7 , 6 , 46 , 92 , 363 , 735 , 2360 , 2617 , 4080 , 56752 , 812789 , 746574 , 7974441 , 8359584 , 96043825 , 61754592 , 378410643 , 195427302 , 4791481120 , 9439636494
n×2
16441962
n×3
24662943
n×4
32883924
n×5
41104905
n÷2
4110490.5
n÷3
2740327
n÷3
2055245.25
n÷5
1644196.2
n2
67584528602361
n3
5.5561112553397E+20
n4
4.5676685064034E+27
n5
3.755071600544E+34
2 √n
2867.2253137833
3 √n
201.82480807353
4 √n
53.546478070769
5 √n
24.153759010519
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-8220980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 8220981 can be divided by 8 positive divisors.
The sum of these divisors (counting 8220981) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111010111000100110101
3
Ternary
120110200001210
4
Quaternary
133113010311
5
Quinary
4101032411
6
Senary
452112033
8
Octal
37270465
10
Decimal
8220981
12
Duodecimal
2905619
16
Hexadecimal
7d7135
20
Vigesimal
2b7c91
36
Base36
4w7cl
md5
85ee357d711e6f99daef992d5c9e51a9
sha1
2139d2d1b60eaa1c64bcd3f12ef02f63aa8832e6
sha256
7b9bc164d3fe23ea2ecee121602375805cbb1f02b2b7c092a3a591d7475d1926
sha512
d63c1723319328f213d1518140b1775ab2021ba7beb7b26d9d86b209e74d2205461544047cd75b722bf6819483c4e85cd5df2f9833d86a6c437385b19ffb2730
ripemd-160
40484cec951ef9576ae5551cdd8fe73253a6411b
Diameter
16441962
Circumference
51653947.029803
Area
2.1232305855351E+14
Volume
2.327338440307E+21
Surface area
8.4929223421403E+14
Circumference
51653947.029803
Perimeter
32883924
Area
67584528602361
Diagonal
11626222.826212
Surface area
405507171614166
Volume
5.5561112553397E+20
Space diagonal
14239156.780058
Perimeter
24662943
Area
29264959336220
Altitude
7119578.3900292
Surface area
29264959336220
Volume
6.5479399094626E+19
Height
3875407.6087372